Mixer



FIG. 1 is a front isometric view of a mixer, showing my new design;

FIG. 2 is a front elevation view thereof.

FIG. 3 is a back elevation view thereof.

FIG. 4 is a top plan view thereof.

FIG. 5 is a bottom plan view thereof.

FIG. 6 is a left side elevation view thereof; and,

FIG. 7 is a right side elevation view thereof.

The broken lines shown are included for the purpose of illustrating portions of the *** that form no part of the claim. 

CLAIM We claim the ornamental design for a mixer, as shown and described. 